Apple macOS up to 10.15.4 PackageKit permission assignment

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.15.4. Affected by this issue is some unknown functionality of the component PackageKit. The manipulation leads to permission assignment. This vulnerability is traded as CVE-2020-9851. An attack has to be approached locally. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.15.4 (Operating System) and classified as critical. This issue affects an unknown functionality of the component PackageKit. The manipulation with an unknown input leads to a permission assignment vulnerability. Using CWE to declare the problem leads to CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to modify protected parts of the file system.

The weakness was shared 05/26/2020 by Linus Henze as HT211170 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-9851. An attack has to be approached locally. The successful exploitation needs a simple authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

An access issue was addressed with improved access restrictions.

Upgrading to version 10.15.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-155817, VDB-155818, VDB-155819 and VDB-155820 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.15.5

Timelineinfo

03/02/2020 🔍
05/26/2020 +85 days 🔍
05/26/2020 +0 days 🔍
05/30/2020 +4 days 🔍
10/20/2020 +143 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211170
Researcher: Linus Henze
Status: Confirmed

CVE: CVE-2020-9851 (🔍)
GCVE (CVE): GCVE-0-2020-9851
GCVE (VulDB): GCVE-100-155849
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 05/30/2020 07:47
Updated: 10/20/2020 17:31
Changes: 05/30/2020 07:47 (48), 05/30/2020 07:52 (17), 10/20/2020 17:31 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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